This DC Brushless Motor Controller is a compact control board designed to regulate the speed of small DC brushless motors. It is suitable for use with CDROM drive components and cooling fans, serving as a motor speed regulator in compact electronics. The unit is powered from 6 to 24 volts with a maximum current of 3 A, aligning with common requirements of small BLDC motors and related drive hardware. Key benefits Provides reliable speed control for DC brushless motors, helping to reduce wear and noise and maintain stable operation. Integrates motor controller and control board in a single module for simple installation with CDROM drive assemblies and fans. Wide voltage range of 6 to 24 V with current capability up to 3 A supports a range of small motors. Compact, PCB based design suitable for integration into tight spaces. Compatible with power supply configurations matching the 624 V 3 A specification. Key attributes Functionality: DC brushless motor controller and motor speed regulator on a control board. Compatibility: supports DC brushless motors rated for 624 V up to 3 A; suitable for CDROM drive components and fans. Size: compact form factor designed for integration into small systems. Material: PCB based construction with standard electronic components. Performance: delivers stable and predictable motor speed regulation within the specified voltage and current range. Use cases Replacing or refurbishing a motor in a CDROM drive to achieve controlled spindle speed. Controlling the speed of a cooling fan in a computer, enclosure, or small appliance. Providing motor speed regulation for a small robotics or automation project that uses a DC brushless motor powered by 6–24 V.